ABAP Select data from SAP table CSUPPLIERFS into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CSUPPLIERFS table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to CSUPPLIERFS. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the CSUPPLIERFS table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_CSUPPLIERFS TYPE STANDARD TABLE OF CSUPPLIERFS,
      WA_CSUPPLIERFS TYPE CSUPPLIERFS,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <CSUPPLIERFS> TYPE CSUPPLIERFS.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CSUPPLIERFS.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CSUPPLIERFS
  INTO TABLE IT_CSUPPLIERFS.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CSUPPLIERFS
*  INTO TABLE @DATA(IT_CSUPPLIERFS2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_CSUPPLIERFS INDEX 1 INTO DATA(WA_CSUPPLIERFS2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CSUPPLIERFS ASSIGNING <CSUPPLIERFS>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CSUPPLIERFS>-MANDT = 1.
<CSUPPLIERFS>-SUPPLIER = 1.
<CSUPPLIERFS>-BUSINESSPARTNER = 1.
<CSUPPLIERFS>-AUTHORIZATIONGROUP = 1.
<CSUPPLIERFS>-INDUSTRY = 1.

ENDLOOP.

LOOP AT IT_CSUPPLIERFS INTO WA_CSUPPLIERFS.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CSUPPLIERFS-INTERNATIONALLOCATIONNUMBER, sy-vline,
  WA_CSUPPLIERFS-INTERNATIONALLOCATIONNUMBER1, sy-vline,
  WA_CSUPPLIERFS-INTERNATIONALLOCATIONNUMBER2, sy-vline,
  WA_CSUPPLIERFS-INTERNATIONALLOCATIONNUMBER3, sy-vline,
  WA_CSUPPLIERFS-SUPPLIERTAXID1, sy-vline,
  WA_CSUPPLIERFS-SUPPLIERTAXID2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CSUPPLIERFS you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_CSUPPLIERFS TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_CSUPPLIERFS INTO WA_CSUPPLIERFS.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CSUPPLIERFS-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSUPPLIERFS-SUPPLIER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BUSINESSPARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CSUPPLIERFS-BUSINESSPARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSUPPLIERFS-BUSINESSPARTNER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CCADR, internal->external for field ADDRESSID
CALL FUNCTION 'CONVERSION_EXIT_CCADR_OUTPUT'
  EXPORTING
    input =                      WA_CSUPPLIERFS-ADDRESSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSUPPLIERFS-ADDRESSID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CUSTOMER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CSUPPLIERFS-CUSTOMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSUPPLIERFS-CUSTOMER.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_CSUPPLIERFS_STR, 
MANDT TYPE STRING,
SUPPLIER TYPE STRING,
BUSINESSPARTNER TYPE STRING,
AUTHORIZATIONGROUP TYPE STRING,
INDUSTRY TYPE STRING,
INTERNATIONALLOCATIONNUMBER TYPE STRING,
INTERNATIONALLOCATIONNUMBER1 TYPE STRING,
INTERNATIONALLOCATIONNUMBER2 TYPE STRING,
INTERNATIONALLOCATIONNUMBER3 TYPE STRING,
SUPPLIERTAXID1 TYPE STRING,
SUPPLIERTAXID2 TYPE STRING,
SUPPLIERTAXID3 TYPE STRING,
SUPPLIERTAXID4 TYPE STRING,
SUPPLIERTAXID5 TYPE STRING,
TAXJURISDICTION TYPE STRING,
VATREGISTRATION TYPE STRING,
ADDRESSID TYPE STRING,
TOTALSPENDAMOUNT TYPE STRING,
CITYNAME TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
INTERNATIONALPHONENUMBER TYPE STRING,
INTERNATIONALMOBILEPHONENUMBER TYPE STRING,
INTERNATIONALFAXNUMBER TYPE STRING,
EMAILADDRESS TYPE STRING,
POSTINGISBLOCKED TYPE STRING,
PURCHASINGISBLOCKED TYPE STRING,
SUPPLIERACCOUNTGROUP TYPE STRING,
SUPPLIERNAME TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATE TYPE STRING,
ISONETIMEACCOUNT TYPE STRING,
ACCOUNTISBLOCKEDFORPOSTING TYPE STRING,
CUSTOMER TYPE STRING,
COUNTRY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CSUPPLIERFS_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_CSUPPLIERFS_STR-MANDT sy-vline 
WA_CSUPPLIERFS_STR-SUPPLIER sy-vline 
WA_CSUPPLIERFS_STR-BUSINESSPARTNER sy-vline 
WA_CSUPPLIERFS_STR-AUTHORIZATIONGROUP sy-vline 
WA_CSUPPLIERFS_STR-INDUSTRY sy-vline 
WA_CSUPPLIERFS_STR-INTERNATIONALLOCATIONNUMBER sy-vline 
WA_CSUPPLIERFS_STR-INTERNATIONALLOCATIONNUMBER1 sy-vline 
WA_CSUPPLIERFS_STR-INTERNATIONALLOCATIONNUMBER2 sy-vline 
WA_CSUPPLIERFS_STR-INTERNATIONALLOCATIONNUMBER3 sy-vline 
WA_CSUPPLIERFS_STR-SUPPLIERTAXID1 sy-vline 
WA_CSUPPLIERFS_STR-SUPPLIERTAXID2 sy-vline 
WA_CSUPPLIERFS_STR-SUPPLIERTAXID3 sy-vline 
WA_CSUPPLIERFS_STR-SUPPLIERTAXID4 sy-vline 
WA_CSUPPLIERFS_STR-SUPPLIERTAXID5 sy-vline 
WA_CSUPPLIERFS_STR-TAXJURISDICTION sy-vline 
WA_CSUPPLIERFS_STR-VATREGISTRATION sy-vline 
WA_CSUPPLIERFS_STR-ADDRESSID sy-vline 
WA_CSUPPLIERFS_STR-TOTALSPENDAMOUNT sy-vline 
WA_CSUPPLIERFS_STR-CITYNAME sy-vline 
WA_CSUPPLIERFS_STR-DISPLAYCURRENCY sy-vline 
WA_CSUPPLIERFS_STR-INTERNATIONALPHONENUMBER sy-vline 
WA_CSUPPLIERFS_STR-INTERNATIONALMOBILEPHONENUMBER sy-vline 
WA_CSUPPLIERFS_STR-INTERNATIONALFAXNUMBER sy-vline 
WA_CSUPPLIERFS_STR-EMAILADDRESS sy-vline 
WA_CSUPPLIERFS_STR-POSTINGISBLOCKED sy-vline 
WA_CSUPPLIERFS_STR-PURCHASINGISBLOCKED sy-vline 
WA_CSUPPLIERFS_STR-SUPPLIERACCOUNTGROUP sy-vline 
WA_CSUPPLIERFS_STR-SUPPLIERNAME sy-vline 
WA_CSUPPLIERFS_STR-CREATEDBYUSER sy-vline 
WA_CSUPPLIERFS_STR-CREATIONDATE sy-vline 
WA_CSUPPLIERFS_STR-ISONETIMEACCOUNT sy-vline 
WA_CSUPPLIERFS_STR-ACCOUNTISBLOCKEDFORPOSTING sy-vline 
WA_CSUPPLIERFS_STR-CUSTOMER sy-vline 
WA_CSUPPLIERFS_STR-COUNTRY sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.